Sentence examples for difficulties in exposure from inspiring English sources
Despite difficulties in exposure assessment, the associations between pesticide exposure measures and gestational duration are quite compelling.
Studies of the relationship between motor vehicle emissions and respiratory health are generally limited by difficulties in exposure assessment.
The small difference in operation time is in contrast to other studies [ 14, 30, 31] with more technical difficulties in exposure of the proximal part of the tibia, altered anatomy and soft tissue imbalance.
Due to difficulties in exposure documentation, dosimetry has not been precise with most environmental and occupational exposures, even though increases in human blood cell DNA adduct levels may correlate approximately with dose.
A case report has described PD following diquat exposure [ 170], but because of a long induction period and the difficulties in retrospective exposure assessment, the hypothesis of delayed appearance of degenerative nervous system disease is difficult to verify.
Yet, despite these difficulties in assessing exposure to nanomaterials and CNTs, guidelines and papers have been published to guide and harmonize strategies for exposure measurement [ 15, 16].
The difficulties in evaluating exposure in users of pesticides and long-term effects are well known (14).
Difficulties in establishing exposure levels at different work areas in the past makes an evaluation of dose-effect relationships impossible.
During the period just before the sick leave, respondents had become increasingly tired and experienced difficulties in handling exposure to external and internal stress.
These are principally due to the not fully known nanomaterial hazardous properties, as well as to the difficulties in characterizing exposure and defining emerging risks for the workforce.
Furthermore, postmenopausal demineralization of bone can increase blood lead levels in women by 25%; this raises concern about the potential effects of lead in an aging population and the difficulties in comprehensive exposure assessment.
